char *thread_name(pthread_t tid)
{char s[100];
thread_name_t *n;
static int tid_count = 1000;
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static thread_name_t *thread_names = NULL;
if (pthread_equal(NULL_TID, tid)) tid = pthread_self();
pthread_mutex_lock(&lock);
for (n = thread_names; n != NULL; n=n->next)
{if (pthread_equal(n->tid, tid))
goto L;
}
n = (thread_name_t *) malloc(sizeof(thread_name_t));
n->tid = tid;
#if defined(__alpha) && defined(__osf__)
sprintf(s, "T@%d", pthread_getsequence_np(tid));
#else
sprintf(s, "T@%d", tid_count);
tid_count++;
#endif
n->name = (char *) malloc(strlen(s)+1);
strcpy(n->name, s);
n->next = thread_names;
thread_names = n;
L:pthread_mutex_unlock(&lock);
return(n->name);
}
static void pid_callback(int *const pid, int *const tid)
{
#if !_BT_LOG_MESSAGE_FORMAT_CONTAINS(PID, BT_LOG_MESSAGE_CTX_FORMAT)
VAR_UNUSED(pid);
#else
#if defined(_WIN32) || defined(_WIN64)
*pid = GetCurrentProcessId();
#else
*pid = getpid();
#endif
#endif
#if !_BT_LOG_MESSAGE_FORMAT_CONTAINS(TID, BT_LOG_MESSAGE_CTX_FORMAT)
VAR_UNUSED(tid);
#else
#if defined(_WIN32) || defined(_WIN64)
*tid = GetCurrentThreadId();
#elif defined(__CYGWIN__)
pthread_t thr = pthread_self();
*tid = (int)pthread_getsequence_np(&thr);
#elif defined(__sun__)
*tid = (int)pthread_self();
#elif defined(__ANDROID__)
*tid = gettid();
#elif defined(__linux__)
*tid = syscall(SYS_gettid);
#elif defined(__MACH__)
*tid = (int)pthread_mach_thread_np(pthread_self());
#else
#define Platform not supported
#endif
#endif
}
/* include pr_thread_id */
long pr_thread_id(pthread_t * ptr)
{
#if defined(sun)
return ((ptr == NULL) ? pthread_self() : *ptr); /* Solaris */
#elif defined(__osf__) && defined(__alpha)
pthread_t tid;
tid = (ptr == NULL) ? pthread_self() : *ptr; /* Digital Unix */
return (pthread_getsequence_np(tid));
#else
/* 4everything else */
return ((ptr == NULL) ? pthread_self() : *ptr);
#endif
}
/* returns thread index */
static unsigned int GetThreadIndex(void)
{
#if HAVE_PTHREAD_GETSEQUENCE_NP
return pthread_getsequence_np(pthread_self());
#else
unsigned int index;
/* first, we init the keys if this is the first time */
pthread_once(&once_key, init_keys);
index = (unsigned long)pthread_getspecific(thread_key);
if (index == 0) {
index = next_index++;
pthread_setspecific(thread_key, (void *)(unsigned long)index);
}
return index;
#endif
}